AN EXPLOSION rocked Egan Road in Dandenong South on 25 September.
Emergency services were called to a fire in a white Mercedes Sprinter van about 10.20pm.
Detectives believe three people threw a molotov cocktail into the the van and fled on foot shortly before the flames took hold.
They believe those involved might have been burned during the incident so might have been seeking medical treatment.
Call Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au with any information.
